Home / 10,083.52-15,126-2,687.96

Finding the Fourth Proportional to 10,083.52, 15,126 and 2,687.96

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Solution

The fourth proportional to 10,083.52, 15,126 and 2,687.96 is: 4,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.52 : 15,126 = 2,687.96 : x
  2. Step 2: Convert to fraction form
    10,083.52/15,126 = 2,687.96/x
  3. Step 3: Cross multiply
    10,083.52x = 15,126 × 2,687.96
  4. Step 4: Simplify right side
    10,083.52x = 40,658,082.96
  5. Step 5: Solve for x
    x = 40,658,082.96/10,083.52
  6. Step 6: Final answer
    x = 4,032.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.